Home / 109,890.63-164,724.84-43,304.85

Finding the Fourth Proportional to 109,890.63, 164,724.84 and 43,304.85

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Solution

The fourth proportional to 109,890.63, 164,724.84 and 43,304.85 is: 64,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,890.63 : 164,724.84 = 43,304.85 : x
  2. Step 2: Convert to fraction form
    109,890.63/164,724.84 = 43,304.85/x
  3. Step 3: Cross multiply
    109,890.63x = 164,724.84 × 43,304.85
  4. Step 4: Simplify right side
    109,890.63x = 7,133,384,487.47
  5. Step 5: Solve for x
    x = 7,133,384,487.47/109,890.63
  6. Step 6: Final answer
    x = 64,913.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.